6. Austin Scarlett
He may not have won the grand prize but Austin Scarlett who ranks 6th in our list of most successful Project Runway contestants, made it big in the fashion scene after he joined Project Runway Season 1. He won the first ever challenge of the show with his classy corn husk dress. Known for his exquisite designs, Scarlett went on to be one of the youngest designers to be named as Creative Director for couture wedding brand Kenneth Pool. In 2010, he and fellow Project Runway alumnus Santino Rice starred in their own show On the Road with Austin and Santino. Scarlett then became part of Project Runway: All Stars in 2012. That year he launched his signature line of elegant evening wear and wedding gowns.